Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Pinpoint Test A : The Lane Keeping System Does Not Turn On Or Activate: Notes
Refer to Power Mirrors for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Lane Keeping System - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B13A6:14 | Lane Departure Warning (LDW) Switch Input: Circuit Short To Ground or Open | An on-demand and continuous memory DTC that sets in the IPMA if the IPMA detects the lane keeping system switch has been pressed for more than 200 milliseconds during the self-test or 1 second during normal operation. |
Possible Causes
- Dirty, scratched or obstructed windshield and/or camera
- IPMA overheating condition
- Communication network concern
- Wiring, terminals or connectors
- Lane keeping system switch
- PSCM concern
- SCCM concern
- BCM concern
- CCM concern
- IPC concern
- RCM concern
- PCM concern
- GWM concern
- IPMA concern
Visual Inspection and Diagnostic Pre-Checks
- Certain Lane Keeping System (LKS) concerns can be caused by the IPMA being too cold or overheating due to heavy sunload. Prior to diagnosing a lane keeping system concern, allow the vehicle to warm up or remove the vehicle from direct sunlight. RECHECK after 10 minutes.
- Inspect the Lane Keeping System (LKS) settings in the IPC message center to be sure the concern is not caused by a system setting.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.